ethanoic acid Thesaurus Medical Encyclopedia Wikipedia (ˌɛθəˈnəʊɪk; ˌiːθə-) n (Elements & Compounds) the modern name foracetic acid Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, ...